共查询到18条相似文献,搜索用时 46 毫秒
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熏蒸空间PH3的测定用无动力采样和动力采样进行。两者间测定结果不存在显著差异在实际工作中一些场合可动力采样代替动力采样。运用钼蓝比色法测定空气中PH3含量时,以720nm为测定波长较为适宜。对待测样品液稳定性分析的结果表明,未经显色处理及显色后盖上塞子的待测液较为稳定。24h内进行测定对最终结果不会产生影响。 相似文献
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介绍了粮仓常见的磷化氢熏蒸方法,并以此提出改进后的散装粮和包装粮的磷化氢熏蒸方法,方法经济实用、效果明显,便于推广。 相似文献
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P3H间歇熏蒸Rf值分别为15和50倍的PH3抗性谷蠹和锈赤扁谷盗。第一次施AlP片剂3g/m^3,保持PH3在0.12mg/L以上的时间为168-336h,第二次再施3g/m^3,保持198-366h,Ct积分达120.90和259.49mg.h/l,有效地防治了PH3抗性谷蠹和锈赤扁谷盗。 相似文献
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磷化氢与二氧化碳混合熏蒸试验报告 总被引:1,自引:0,他引:1
用仓外混合熏蒸机以磷化氢和二氧化碳混合熏蒸方式处理有虫小麦,结果表明,用这种新方法能够大大提高磷化氢(PH3)的渗秀速度和杀虫效果,具有投资少,操作简便,防治效果好的特点。 相似文献
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房式高仓磷化氢熏蒸技术研究四川省粮油收储公司王亚南,魏方毅,傅世荣近年来,我省修建的房式仓,难粮高度一般为4~5m,用传统的磷化铝粮堆面层施药方法,难以达到理想效果,储藏量最大的稻谷尤为突出,是生产中急得解决的问题。为此,省粮食局和省粮油收储公司先后... 相似文献
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论述了磷化氢抗性害虫的产生原因,介绍了害虫抗性机理和测定方法,提出了今后如何防止磷化氢抗性害虫品系发生和发展的防治方法及策略。 相似文献
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通过实仓环流薰蒸杀虫试验,验证了运用环流薰蒸技术可降低用药剂量,有效杀死粮堆不同部位的害虫,有利于抗药性害虫的综合治理。 相似文献
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主要简介了我国碾皮技术应用发展近况,对现阶段我国碾皮工艺中小麦清理、碾皮、制粉工艺进行了浅析,提出了对NZ碾麦机的看法和粉厂对碾皮工艺的信任度。 相似文献
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José Miguel Aguilera 《Comprehensive Reviews in Food Science and Food Safety》2018,17(4):1021-1039
Modern consumers are increasingly eating meals away from home and are concerned about food quality, taste, and health aspects. Food engineering (FE) has traditionally been associated with the industrial processing of foods; however, most underlying phenomena related to FE also take place in the kitchen during meal preparation. Although chemists have positively interacted with acclaimed chefs and physicists have used foods as materials to demonstrate some of their theories, this has not been always the case with food engineers. This review addresses areas that may broaden the vision of FE by interfacing with cooking and gastronomy. Examples are presented where food materials science may shed light on otherwise empirical gastronomic formulations and cooking techniques. A review of contributions in modeling of food processing reveals that they can also be adapted to events going on in pots and ovens, and that results can be made available in simple terms to cooks. Industrial technologies, traditional and emerging, may be adapted to expand the collection of culinary transformations, while novel equipment, digital technologies, and laboratory instruments are equipping the 21st‐century kitchens. FE should become a part of food innovation and entrepreneurship now being led by chefs. Finally, it is suggested that food engineers become integrated into gastronomy's concerns about safety, sustainability, nutrition, and a better food use. 相似文献
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江西是盛产黑芝麻的省份,年产量约 12kt以上。九江是黑芝麻的集散地,年约有 6kt以上从九江口岸出口到日本、南韩等国家。近年来,由于品种混杂退化,品质有下降的趋势,出口量受国外市场影响起伏较大。为了保证我国出口黑芝麻在国际市场的竞争力,提高出口黑芝麻的质量。笔者对九江口岸近年来出口黑芝麻的质量进行了调查与分析,现总结如下: 1 材料与方法 试验材料:采用经我局检验出口的黑芝麻; 试验方法:采用 SN33009- 33013- 87标准进行品质、水分、杂质、含油量检测,并用种子发芽试验方法进行发芽率试验。 2 结果与分析 2.1 … 相似文献